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Precommissioning cleaning of the flags offshore gasline with gel-plug technology

D.E. Broussard

Open publisher page 2 citations

Abstract

The FLAGS offshore gas pipeline is a joint venture project of Shell UK and Esso UK that will transport up to 1,000 MMcfd of gas and ca 100,000 bbl of associated liquids per day from the Brent field in the N. North Sea to landfall at St. Fergus, Scot. The process for precommissioning cleaning of the pipeline using gel plug technology is described. Make-up materials in the cleaning train are listed, explaining the function of each component and additive. The process netted an estimated 700,000 lb of debris removed from the pipe wall, and safely suspended and transported it through the pipeline. Flow characteristics of the pipeline were consequently improved.

About this research paper

What this paper is about

The FLAGS offshore gas pipeline is a joint venture project of Shell UK and Esso UK that will transport up to 1,000 MMcfd of gas and ca 100,000 bbl of associated liquids per day from the Brent field in the N. North Sea to landfall at St. Fergus, Scot. The process for precommissioning cleaning of the pipeline using gel plug technology is described. Make-up materials in the cleaning train are listed, explaining the function of each component and additive. The process netted an estimated 700,000 lb of debris removed from the pipe wall, and safely suspended and transported it through the pipeline. Flow characteristics of the pipeline were consequently improved.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The FLAGS offshore gas pipeline is a joint venture project of Shell UK and Esso UK that will transport up to 1,000 MMcfd of gas and ca 100,000 bbl of associated liquids per day from the Brent field in the N. North Sea to landfall at St. Fergus, Scot. The process for precommissioning cleaning of the pipeline using gel plug technology is described. Make-up materials in the cleaning train are listed, explaining the function of each component and additive. The process netted an estimated 700,000 lb of debris removed from the pipe wall, and safely suspended and transported it through the pipeline. Flow characteristics of the pipeline were consequently improved.

Key concepts: Pigging, Pipeline (software), Submarine pipeline, Petroleum engineering, Engineering, Marine engineering, Pipeline transport, Spark plug

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